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angle whose measure = 0 degrees |
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an angle whose measureis between 0 degrees and 90 degrees |
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an angle whose measure equals 90 degrees |
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an angle measure is between 90 degrees and 180 degrees |
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an anglewhose measure equals 180 degrees |
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two angles whose sum equals 90 degrees. each angle is called the complmentof the other |
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two angles whose sum equals 180 degrees. each angle is called the supplementof the angle |
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two angles that share a common ray |
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adjacent angles that form a straight line. tha sum of a linear pair = 180 degreed |
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opposite angles formed by intersecting lines. vertical angles are equal (congruent) |
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- exact location in space represented by a dot |
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- made up of least 2 points - points that goes on both directions |
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- consits of at least three points - extends in 2 dimensions ( surface of a table) |
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point that lie on the same line |
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points that lie on the same plane |
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- part of a line that has exactly two end points |
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- part of a line with exacctly one endpoint and one side that extends in one direction |
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- 2 rays that share the same endpoint and forms a line |
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lines that have the same slpoes and never meet |
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2 or more lines that meet at a common point |
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figures made up of 2 rays that share a common endpoint |
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non coplanar lines that do not interscet |
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